1 /* 2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.io.BufferedWriter; 25 import java.io.File; 26 import java.io.FileWriter; 27 import java.io.PrintWriter; 28 29 public class Hello { 30 31 private static final String MSG = "jpackage test application"; 32 private static final int EXPECTED_NUM_OF_PARAMS = 3; // Starts at 1 33 34 public static void main(String[] args) { 35 printToStdout(args); 36 printToFile(args); 37 } 38 39 private static void printToStdout(String[] args) { 40 System.out.println(MSG); 41 42 System.out.println("args.length: " + args.length); 43 44 for (String arg : args) { 45 System.out.println(arg); 46 } 47 48 for (int index = 1; index <= EXPECTED_NUM_OF_PARAMS; index++) { 49 String value = System.getProperty("param" + index); 50 if (value != null) { 51 System.out.println("-Dparam" + index + "=" + value); 52 } 53 } 54 } 55 56 private static void printToFile(String[] args) { 57 String outputFile = "appOutput.txt"; 58 File file = new File(outputFile); 59 60 try (PrintWriter out 61 = new PrintWriter(new BufferedWriter(new FileWriter(file)))) { 62 out.println(MSG); 63 64 out.println("args.length: " + args.length); 65 66 for (String arg : args) { 67 out.println(arg); 68 } 69 70 for (int index = 1; index <= EXPECTED_NUM_OF_PARAMS; index++) { 71 String value = System.getProperty("param" + index); 72 if (value != null) { 73 out.println("-Dparam" + index + "=" + value); 74 } 75 } 76 } catch (Exception ex) { 77 System.err.println(ex.getMessage()); 78 } 79 } 80 }